Superlattice electrooptic devices

(19)

(11)

EP 0 154 504 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	30.09.1987 Bulletin 1987/40

(43)	Date of publication A2:
	11.09.1985 Bulletin 1985/37

(21)	Application number: 85301321

(22)	Date of filing: 27.02.1985

(84)	Designated Contracting States:
	DE FR GB

(30)

Priority:

28.02.1984 US 584540
09.10.1984 US 659187

(71)	Applicant: EXXON RESEARCH AND ENGINEERING COMPANY
	()

(72)	Inventor:
	Roxlo, Charles Blakely ()

(54)	Superlattice electrooptic devices

(57) Electrooptic devices for the modulation and conversion of light which include semiconductor superlattices which have large electrooptic and non-linear optical coefficients due to their built-in electric fields. These materials can be deposited at low temperatures onto virtually any substrate.

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